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SubjectRe: [PATCH 10/10] microblaze: use built-in function to get CPU_{MAJOR,MINOR,REV}
On Mon, Dec 13, 2021 at 04:29:41AM +0900, Masahiro Yamada wrote:
> Use built-in functions instead of shell commands to avoid forking
> processes.
>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> ---

Reviewed-by: Nicolas Schier <n.schier@avm.de>

>
> arch/microblaze/Makefile | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
> index a25e76d89e86..1826d9ce4459 100644
> --- a/arch/microblaze/Makefile
> +++ b/arch/microblaze/Makefile
> @@ -6,9 +6,9 @@ UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
> # What CPU version are we building for, and crack it open
> # as major.minor.rev
> CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VER)
> -CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1)
> -CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2)
> -CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3)
> +CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER)))
> +CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER)))
> +CPU_REV := $(word 3, $(subst ., , $(CPU_VER)))
>
> export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV
>
> --
> 2.32.0
>

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